2013/2/7 Rafał Miłecki <[email protected]>:
> The problem is that in failsafe my ethernet driver works fine (I can
> ping router and the other way), but in normal mode (with virtual
> interfaces) it stops working. My intention is to create all virtual
> interfaces manually, to see where exactly my eth driver fails.
OK, I've discovered something weird. First of all:
> # brctl show
> bridge name bridge id STP enabled interfaces
> br-lan 8000.c83a3540c1a8 no eth0.0
It seems there is something wrong with eth0.0. When I switch br-lan to
eth0 (from eth0.0) using:
> # brctl delif br-lan eth0.0
> # brctl addif br-lan eth0
Ethernet starts working!
Please see attached file for log with "ifconfig -a" calls.
Does anyone have any idea what may be wrong with that eth0.0
interface? Why using it for br-lan fails? Why swtiching br-lan to eth0
succeeds? I expected eth0.0 to work the same way as eth0.
There is one more tricky part. You may wonder what happens if I switch
br-lan back to eth0.0 (from eth0). Well pinging works again, but only
for a limited amount of time. Sometimes I can't see even one
"ping-pong" and sometimes it keeps working even for 20 seconds.
Anyway, after a moment it stops again. Repeating the whole scenario:
> brctl delif br-lan eth0.0
> brctl addif br-lan eth0
> brctl delif br-lan eth0
> brctl addif br-lan eth0.0
Makes pinging work again for few seconds.
--
Rafał
# ifconfig -a
br-lan Link encap:Ethernet HWaddr C8:3A:35:40:C1:A8
inet addr:192.168.1.1 Bcast:192.168.1.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:3 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 B) TX bytes:486 (486.0 B)
eth0 Link encap:Ethernet HWaddr C8:3A:35:40:C1:A8
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
Interrupt:4
eth0.0 Link encap:Ethernet HWaddr C8:3A:35:40:C1:A8
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:3 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 B) TX bytes:486 (486.0 B)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:48 errors:0 dropped:0 overruns:0 frame:0
TX packets:48 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:3264 (3.1 KiB) TX bytes:3264 (3.1 KiB)
# brctl delif br-lan eth0.0
[ 33.972000] device eth0.0 left promiscuous mode
[ 33.976000] device eth0 left promiscuous mode
[ 33.984000] br-lan: port 1(eth0.0) entered disabled state
# ifconfig -a
br-lan Link encap:Ethernet HWaddr C8:3A:35:40:C1:A8
inet addr:192.168.1.1 Bcast:192.168.1.255 Mask:255.255.255.0
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:14 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 B) TX bytes:948 (948.0 B)
eth0 Link encap:Ethernet HWaddr C8:3A:35:40:C1:A8
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
Interrupt:4
eth0.0 Link encap:Ethernet HWaddr C8:3A:35:40:C1:A8
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:14 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 B) TX bytes:948 (948.0 B)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:156 errors:0 dropped:0 overruns:0 frame:0
TX packets:156 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:11136 (10.8 KiB) TX bytes:11136 (10.8 KiB)
# brctl addif br-lan eth0
[ 44.464000] device eth0 entered promiscuous mode
[ 44.468000] br-lan: port 1(eth0) entered forwarding state
[ 44.476000] br-lan: port 1(eth0) entered forwarding state
*** PING STARTED WORKING HERE ***
[ 46.480000] br-lan: port 1(eth0) entered forwarding state
# ifconfig -a
br-lan Link encap:Ethernet HWaddr C8:3A:35:40:C1:A8
inet addr:192.168.1.1 Bcast:192.168.1.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:26 errors:0 dropped:0 overruns:0 frame:0
TX packets:42 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:2212 (2.1 KiB) TX bytes:3580 (3.4 KiB)
eth0 Link encap:Ethernet HWaddr C8:3A:35:40:C1:A8
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
Interrupt:4
eth0.0 Link encap:Ethernet HWaddr C8:3A:35:40:C1:A8
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:14 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 B) TX bytes:948 (948.0 B)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:405 errors:0 dropped:0 overruns:0 frame:0
TX packets:405 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:28464 (27.7 KiB) TX bytes:28464 (27.7 KiB)
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